How severe is CVE-2023-3263?

CVE-2023-3263 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-3263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3263?

CVE-2023-3263 primarily affects Dataprobe Iboot-pdu4a-c10 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-3263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-3263 published?

CVE-2023-3263 was published on 2023-08-14 and last updated on 2026-06-17.

CVE-2023-3263

CVE-2023-3263 is a high-severity vulnerability in Dataprobe Iboot-pdu4a-c10 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Dataprobe Iboot-pdu4a-c10 Firmware
Published: 2023-08-14
Last modified: 2026-06-17

Description

The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to authentication bypass in the REST API due to the mishandling of special characters when parsing credentials.Successful exploitation allows the malicious agent to obtain a valid authorization token and read information relating to the state of the relays and power distribution.

Frequently asked questions

What is CVE-2023-3263?: The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to authentication bypass in the REST API due to the mishandling of special characters when parsing credentials.Successful exploitation allows the malicious agent to obtain a valid authorization token and read information relating to the state of the relays and power distribution.
How severe is CVE-2023-3263?: CVE-2023-3263 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-3263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3263?: CVE-2023-3263 primarily affects Dataprobe Iboot-pdu4a-c10 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-3263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-3263 published?: CVE-2023-3263 was published on 2023-08-14 and last updated on 2026-06-17.

References

https://www.trellix.com/en-us/about/newsroom/stories/research/the-threat-lurking-in-data-centers.html

Affected products (22)

cpe:2.3:o:dataprobe:iboot-pdu4a-c10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4a-c20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4a-n15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4a-n20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4-c20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4-n20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4sa-c10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4sa-c20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4sa-n15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu4sa-n20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-2c10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-2c20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-2n15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-2n20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-c10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-c20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-n15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8a-n20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8sa-2n15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8sa-c10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8sa-n15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dataprobe:iboot-pdu8sa-n20_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dataprobe Iboot-pdu4a-c10 Firmware

CVE-2023-3259 — Critical (CVSS 9.8): The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to authentication bypass. By…
CVE-2022-47311 — High (CVSS 8.5): A proprietary protocol for iBoot devices is used for control and keepalive commands. The function compares the username…
CVE-2022-47320 — High (CVSS 8.1): The iBoot device’s basic discovery protocol assists in initial device configuration. The discovery protocol shows…
CVE-2023-3261 — High (CVSS 7.5): The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier contains a buffer overflow vulnerability in…
CVE-2023-3260 — High (CVSS 7.2): The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to command injection via the…
CVE-2022-46738 — High (CVSS 7.2): The affected product exposes multiple sensitive data fields of the affected product. An attacker can use the SNMP…

All CVEs affecting Dataprobe Iboot-pdu4a-c10 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →